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Zwitterionic [4]helicene: a water-soluble and reversible pH-triggered ECD/CPL chiroptical switch in the UV and red spectral regions

ContributorsPascal, Simon; Besnard, Céline; Zinna, Francesco; Di Bari, Lorenzo; Le Guennic, Boris; Jacquemin, Denis; Lacour, Jérômeorcid
Published inOrganic & biomolecular chemistry, vol. 14, no. 20, p. 4590-4594
Publication date2016
Abstract

The chiroptical switching properties of a readily accessible and water-soluble diaza [4]helicene are disclosed. This zwitterionic dye displays pH-dependent absorption and emission properties and this enables a reversible turn on/off of electronic circular dichroism at 300 nm and of circularly polarized luminescence in the red region upon protonation/deprotonation.

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PASCAL, Simon et al. Zwitterionic [4]helicene: a water-soluble and reversible pH-triggered ECD/CPL chiroptical switch in the UV and red spectral regions. In: Organic & biomolecular chemistry, 2016, vol. 14, n° 20, p. 4590–4594. doi: 10.1039/C6OB00752J
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Additional URL for this publicationhttp://xlink.rsc.org/?DOI=C6OB00752J
Journal ISSN1477-0520
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Creation05/18/2016 2:50:00 PM
First validation05/18/2016 2:50:00 PM
Update time04/04/2025 12:59:38 PM
Status update11/19/2024 12:46:16 PM
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